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Cqrc Trademarks
CQRC
Proppant for use in oil well and gas well hydraulic fracturing operations
Cancelled
·
September 26, 2014
·
86407802
·
CQRC
Proppant for use in oil well and gas well hydraulic fracturing operations
Abandoned
·
February 19, 2013
·
85854122
·
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